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Fencer Vulns
critical 9.1

CVE-2022-29897 json

Remote Code Execution in all versions of various RAD-ISM-900-EN-* devices by PHOENIX CONTACT

published 2022-05-11 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-34207

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

On various RAD-ISM-900-EN-* devices by PHOENIX CONTACT an admin user could use the traceroute utility integrated in the WebUI to execute arbitrary code with root privileges on the OS due to an improper input validation in all versions of the firmware.

Exploit prediction

1.36% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected products

  • PHOENIX CONTACT RAD-ISM-900-EN-BD/B
  • PHOENIX CONTACT RAD-ISM-900-EN-BD
  • PHOENIX CONTACT RAD-ISM-900-EN-BD-BUS

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.